Granted Patent
Utility
US 6,329,795 · App. 09/310,908
Charging and discharging control circuit and charging type power supply device
Inventor:
Takao Nakashimo
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: May 13, 1999
Inventor
Takao Nakashimo
Assignee (at issue)
SEIKO INSTRUMENTS INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.